[Solved] Analyze this AWS Lambda Python function:def lambda_handler(event, context): return event['data']If the event does not contain the 'data' key, what will happen? | AWS

AWS - Lambda

Analyze this AWS Lambda Python function:

def lambda_handler(event, context):
    return event['data']

If the event does not contain the 'data' key, what will happen?

AThe function returns 'data' as a string

BThe function returns None

CThe function returns an empty string

DThe function raises a KeyError exception

Step-by-Step Solution

Solution:

Step 1: Accessing dictionary key directly
Using event['data'] raises KeyError if 'data' key is missing.
Step 2: No exception handling present
Since no try-except or get() method is used, exception occurs.
Final Answer:
The function raises a KeyError exception -> Option D
Quick Check:
Direct dict access fails if key missing [OK]

Quick Trick: Direct dict access fails if key missing [OK]

Common Mistakes:

MISTAKES

Master "Lambda" in AWS

9 interactive learning modes - each teaches the same concept differently

More AWS Quizzes

Analyze this AWS Lambda Python function: